/*=============================================================================

    This file is part of FLINT.

    FLINT is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    FLINT is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with FLINT; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA

=============================================================================*/
/******************************************************************************

    Copyright (C) 2011 Fredrik Johansson

******************************************************************************/

#include <stdio.h>
#include <stdlib.h>
#include <mpir.h>
#include <mpfr.h>
#include "flint.h"
#include "fmpz.h"
#include "fmpq.h"
#include "fmpz_vec.h"
#include "ulong_extras.h"

int
main(void)
{
    int i;
    flint_rand_t state;
    flint_randinit(state);

    printf("get_mpfr....");
    fflush(stdout);

    for (i = 0; i < 10000; i++)
    {
        fmpq_t x; mpq_t y;
        mpfr_t f1, f2;
        int r1, r2;
        mpfr_rnd_t rnd;

        fmpq_init(x);
        mpq_init(y);

        mpfr_init2(f1, 2 + n_randint(state, 1000));
        mpfr_init2(f2, mpfr_get_prec(f1));

        fmpq_randtest(x, state, 2 + n_randint(state, 1000));
        fmpq_get_mpq(y, x);

        switch (n_randint(state, 5))
        {
            case 0: rnd = MPFR_RNDZ; break;
            case 1: rnd = MPFR_RNDD; break;
            case 2: rnd = MPFR_RNDU; break;
            case 3: rnd = MPFR_RNDA; break;
            default: rnd = MPFR_RNDN; break;
        }

        r1 = fmpq_get_mpfr(f1, x, rnd);
        r2 = mpfr_set_q(f2, y, rnd);

        if (r1 != r2 || !mpfr_equal_p(f1, f2))
        {
            printf("FAIL\n");
            fmpq_print(x); printf("\n");
            printf("r1 = %d, r2 = %d\n", r1, r2);
            printf("\nf1: \n");
            mpfr_out_str(stdout, 10, 0, f1, MPFR_RNDN);
            printf("\n\nf1: \n");
            mpfr_out_str(stdout, 10, 0, f2, MPFR_RNDN);
            printf("\n\n");
            abort();
        }

        fmpq_clear(x);
        mpq_clear(y);
        mpfr_clear(f1);
        mpfr_clear(f2);
    }

    flint_randclear(state);
    _fmpz_cleanup();
    printf("PASS\n");
    return 0;
}
